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Home >> Isuzu >> 2007 >> i-290 LS, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 48 (Automatic Transaxle - 4T80-E - Introduction (2 Of 2)) >> Repair Instructions >> Repair Instructions - Off Vehicle >> Upper Control Valve Body Assemble

Upper Control Valve Body Assemble

WARNING: This page is about a different car, the 2007 Cadillac DTS. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: Identifying Upper Control Valve Body Gasket Damage
    GM12012Courtesy of GENERAL MOTORS CORP.
  1. Inspect all valve body passages for debris, and then inspect the gasket for damage.
    2. Fig 2: View Of Automatic Transmission Fluid Temperature Sensor
    GM12011Courtesy of GENERAL MOTORS CORP.
    NOTE: Refer to Fastener Notice in Cautions and Notices.
  2. Install the automatic transmission fluid temperature sensor (350).

    Tighten:  Tighten the automatic transmission fluid temperature sensor to 3.4 N.m (30 lb in).

    3. Fig 3: Identifying 1-2, 3-4 Accumulator Valves
    GM12010Courtesy of GENERAL MOTORS CORP.
  3. Install the following parts:
    • The 1-2, 3-4 accumulator valves (301, 302)
    • The bushing (303)
    • The coiled spring pin (304)
    4. Fig 4: Locating 2-3 Accumulator Valve
    GM12009Courtesy of GENERAL MOTORS CORP.
  4. Install the following parts:
    • The 2-3 accumulator valve (306)
    • The bore plug (307)
    • The retainer clip (308)
    5. Fig 5: View Of Actuator Feed Limit Valve
    GM12008Courtesy of GENERAL MOTORS CORP.
  5. Install the following parts:
    • The actuator feed limit valve (309)
    • The actuator feed limit valve spring (310)
    • The spring retaining plate (311)
    6. Fig 6: Identifying Converter Feed Limit Valve
    GM12007Courtesy of GENERAL MOTORS CORP.
  6. Install the following parts:
    • The converter feed limit valve (312)
    • The converter feed limit valve spring (313)
    • The bore plug (307)
    • The retaining clip (308)
    7. Fig 7: Locating Torque Converter Clutch Enable Valve
    GM12004Courtesy of GENERAL MOTORS CORP.
  7. Install the following parts:
    • The torque converter clutch enable valve (322)
    • The torque converter clutch enable valve spring (323)
    • The bore plug (307)
    • The retainer clip (308)
    8. Fig 8: View Of Converter Regulator Valve
    GM12003Courtesy of GENERAL MOTORS CORP.
  8. Install the following parts:
    • The converter regulator valve (318)
    • The converter regulator valve spring (319)
    • The bore plug (307)
    • The retainer clip (308)
    9. Fig 9: Torque Converter Clutch Solenoid Valve
    GM1592021Courtesy of GENERAL MOTORS CORP.
  9. Install the following parts:
    • The converter clutch control spring (316)
    • The converter clutch control valve (317)
    • The coiled spring pin (304)
    • The torque converter clutch solenoid valve (336)
    • The spring retainer clip from the torque converter clutch solenoid valve (337)
    10. Fig 10: Locating Pressure Control Solenoid Filter, Valve & Seal
    GM1381855Courtesy of GENERAL MOTORS CORP.
  10. Install the following parts:
    • The pressure control solenoid filter and seal (338)
    • The pressure control solenoid valve (339)
    • The pressure control solenoid clamp (340)
  11. Install the clamp bolt (15).

    Tighten:  Tighten the bolt to 11-13 N.m (8.0-9.5 lb ft).

    12. Fig 11: Identifying 2-3 Accumulator Piston Components
    GM11997Courtesy of GENERAL MOTORS CORP.
  12. Install the following parts:
    • The 2-3 accumulator pin (348)
    • The snap ring (349)
    • The 2-3 accumulator piston spring (347)
    • The accumulator piston and seal (345, 346)
    • The 2-3 piston cushion spring (351)
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